Beginners Course : Learn Bash Shell Scripting For Automation

Learn How to Automate Repetitive Tasks with Bash Shell Scripting

What you'll learn

Learn Bash Shell Scripting from basic to advanced level

Learn how to use command chaining or if - else statements

Learn how to use Bash arrays

Learn how to use loops

Learn how to execute REST APIs with curl command

Learn how to work with remote servers using ssh with the help of sshpass and expect commands

Learn how to apply grep, cut ,awk and sed commands to get fields or lines

Requirements

Basic knowledge on Linux/Unix/Mac OS and Commands

Basic Knowledge to use vi/vim command line editors or Visual Studio Code Editor

You Should have Linux/Unix/Mac OS to practice

You can also create Linux OS on Windows Using WSL

Description

This unique course is designed to become an expert in bash shell scripting to automate repetitive tasks.As we know that most of the organizations are moving into Linux and Unix operating system as its generally open source. Additionally, Linux, Unix skills gained by developers would make them more in demand.From a developer perspective, this course not only cover command line commands, but also Bash shell scripting to make you comprehensive developer expert in Linux \ Unix OS.The topic covered are as follows:How to write shell scripts from basic to advanced levelWhat is the shebang line and why every shell script need ones.How to create and use variablesTesting and Decision MakingCommand line argumentsInput and outputConditional StatementsExit statusfilters like grep, awk, cut and sedFunctionsLoopsCase statementsLoggingWorking with REST APIs using curlWorking with remote serversWho this course is for:Beginner Level to Advanced Level Automation Engineers with Bash Shell ScriptingRequirementsNeed minimum knowledge on Unix/Linux CommandsDesire to learn shell scriptingAny Unix-Like OS running on Physical Machine or Virtual Machine or Virtual Machine from Any Cloud ProviderWhat you'll learnStudents will be able to understand shell scripting conceptsStudents will be able to understand unix filters like awk, cut and sedThis course is helpful to Automate repetitive tasks in different Admin areas like Linux Admins, Middleware Admins, Database Admins, DevOps Admin and AWS Cloud AdminsHappy learning!!

Overview

Section 1: Introduction

Lecture 1 Introduction

Lecture 2 Pre-Requisites to the course

Lecture 3 Who can Enroll this course ?

Lecture 4 Required Documents for this course

Section 2: Environment Setup To Practice With Bash Shell Scripting

Lecture 5 Environment Setup To Practice with Bash Shell Scripting

Lecture 6 Installing Any Linux Distribution And CentOS on Windows With WSL

Lecture 7 Enabling systemctl on WSL CentOS

Lecture 8 Configuring Gmail Setup on CentOS

Lecture 9 Accessing Windows Files From WSL Centos or WSL CentOS Files From Windows

Lecture 10 Basic Steps to write and execute a Bash Shell script

Lecture 11 Different Ways to Execute a Shell Script

Lecture 12 How to Use CentOS Terminal on Visual Studio Code Editor

Lecture 13 chmod command wont work by default on WSL Linux

Lecture 14 Install tools like docker, ansible, java, nginx and httpd with a Bash Script

Section 3: Basic Understanding about Bash Shell Scripting

Lecture 15 Basic Understanding about shell script execution

Lecture 16 Usage of Semicolon ; in Bash Shell Scripts

Section 4: Variables

Lecture 17 Introduction to variable what is a variable and define variables with differ

Lecture 18 Default Value of a Variable and How to unset or clear or delete variable valu

Lecture 19 Types of Variables

Lecture 20 Rules To Define Variables

Lecture 21 What is a Syntax in Bash Shell Scripting

Section 5: Inputs & Outputs

Lecture 22 Inputs & Outputs For Variables in Bash Shell Scripting

Lecture 23 echo command & Basic usage of echo command

Lecture 24 Practice with Variables & echo Command

Lecture 25 Link Windows Path to Non-Root User Home of WSL OS

Lecture 26 echo command with options part-2

Lecture 27 How to get the colorful output from bash shell scripts

Lecture 28 Read Command

Lecture 29 Source Command to read inputs for variables

Lecture 30 export command to provide inputs for variables

Lecture 31 Command-Line Arguments to provide inputs for Variables of Bash Shell Script

Lecture 32 Shift Command With Command-Line Arguments

Section 6: String Operations

Lecture 33 Basic Operations on String

Lecture 34 String Operations on Paths

Section 7: Arrays

Lecture 35 Introduction to Arrays

Lecture 36 Accessing Array Elements and operations on arrays

Lecture 37 Why We Need Arrays ?

Lecture 38 How to Provide Inputs for Arrays ?

Section 8: Bash Dictionaries | Bash Associative Arrays

Lecture 39 Introduction to Bash Dictionaries

Section 9: Basics of Commands

Lecture 40 Exit Status of a Command

Lecture 41 Redirection Operators and STDIN, STDOUT and STDERR

Lecture 42 How to execute any Command With the help of a Variable ?

Lecture 43 How to use cut command to get required columns/fields and characters ?

Lecture 44 How to use awk command to get required filed / column or Line

Lecture 45 basics of grep command

Lecture 46 How to use variables in grep command ?

Lecture 47 Introduction to sed command and usage of variables

Lecture 48 sed command with find and replace | How to use different delimiters in sed ?

Lecture 49 sed command with inserting an deletion of lines using line numbers and search

Lecture 50 Best Example to use tr command with cut and then with kill -9

Lecture 51 Arithmetic Operations for Integers & Floating Point Numbers

Section 10: Working with Command Chaining Operators

Lecture 52 List of Command Chaining Operators

Lecture 53 Command Chaining Operator - pipe

Lecture 54 Command Chaining Operator - semicolon

Lecture 55 Command Chaining Operators - Logical AND and OR

Lecture 56 How to find the location or path of any command or installed package

Lecture 57 Shell Script to get the location of any package

Lecture 58 Executing the block of code

Lecture 59 Simple practice

Section 11: test command And Conditional Statements

Lecture 60 How to use test command to validate a condition

Lecture 61 exit command and its usage

Lecture 62 Introduction to If and If-else Statements

Lecture 63 Debugging a Bash Shell Script

Section 12: Shell Scripting Practice-1

Lecture 64 Write a Shell Script to read a given file content

Lecture 65 Write a Shell Script to install packages using yum

Section 13: if elif elif else and case statements

Lecture 66 if elif elif elif statement

Lecture 67 case statement

Lecture 68 Write a Shell Script to find the version for a given tool

Lecture 69 Shell Script to send All DevOps tools info to mail

Section 14: Scheduling Jobs

Lecture 70 Scheduling jobs with at command

Lecture 71 Scheduling jobs with crontab

Section 15: Comments & Logging

Lecture 72 Comments & Logging

Section 16: Functions

Lecture 73 Introduction to Functions

Lecture 74 Defining a Function and Calling it with out without arguments

Lecture 75 How to pass strings or text as an argument ?

Lecture 76 Shell Script to Install Packages with Functions

Lecture 77 Scope of Variables

Lecture 78 How to reuse Function in Different Shell Scripts

Section 17: Here Document & Here String

Lecture 79 Heredoc & Herestr

Section 18: Loops

Lecture 80 Introduction to Bash Loops With an Example

Lecture 81 For Loop Syntax and Its usage

Lecture 82 Working with Arrays using for loop

Lecture 83 Simple Practice with for loops

Lecture 84 Send An Automatic Mail Alert when secret file is deleted

Lecture 85 break and continue statements

Lecture 86 while loop Part-1

Lecture 87 while loop Part-2

Lecture 88 Until Loop with example

Lecture 89 Select Loop and Its usage with example

Lecture 90 Practice for you

Lecture 91 While Loop With getopts command to read arguments

Section 19: Working with REST APIs using curl command

Lecture 92 How to validate the REST API execution with curl command ?

Section 20: Working With Remote Servers

Lecture 93 Introduction to work with Remote Servers

Lecture 94 Shell Script to execute a command on remote hosts using when they used ssh keys

Lecture 95 How to Provide Password for ssh with sshpass ? | There are three ways

Lecture 96 Working with SCP to transfer a file from local server to remote server

Lecture 97 How to provide password for ssh or scp using expect command ?

Section 21: Real Time Practice

Lecture 98 Monitor a service(s) on host for every minute if not running then send a Mail

Lecture 99 Shell Script to monitor a micro-service with its health url

Lecture 100 Monitor Application Log Directory | Alert If Application is not generating logs

Lecture 101 Install required git version on host

Section 22: Regular Expressions | Regex

Lecture 102 Introduction to Regular Expressions or Regex

Lecture 103 Creation of Pattern or Extended Regular Expressions or ERE

Lecture 104 Write a Shell Script to get latest git version from git-scm website

Lecture 105 case statement with regex

Section 23: printf command

Lecture 106 concepts of printf command

Anyone interested in Bash Shell Scripting